Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 10,640	$ 10,914
Restricted cash	1,595	2,080
Accounts receivable, net	6,548	6,473
Inventories, net	97	264
Prepaid expenses and other current assets	2,193	1,879
Total current assets	21,073	21,610
Property and equipment, net	5,220	5,662
Goodwill	2,116	2,116
Other intangible assets, net	553	906
Restricted cash	371	507
Right-of-use operating lease assets	394	362
Other assets	361	443
Total assets	30,088	31,606
Current liabilities:
Accounts payable	2,353	2,117
Accrued liabilities:
Operating lease liabilities - current	149	182
Employee compensation	930	519
Other accrued liabilities	2,099	1,976
Total current liabilities	5,531	4,794
Operating lease liabilities - non-current	237	180
Long-term borrowings	1,556
Deferred income taxes	134	171
Other liabilities	309	286
Total liabilities	7,767	5,431
Stockholders’ equity:
Common stock, $.01 par value, 40,000,000 shares authorized, 25,639,702 and 25,053,480 shares issued, and 25,228,951 and 24,592,578 outstanding in 2020 and 2019, respectively	262	254
Additional paid-in capital	140,138	139,560
Accumulated deficit	(114,603)	(110,325)
Accumulated other comprehensive loss	(1,370)	(1,778)
Nil coupon perpetual loan notes	76	76
Treasury stock, at cost (Note 6)	(2,182)	(1,612)
Total stockholders’ equity	22,321	26,175
Total liabilities and stockholders’ equity	$ 30,088	$ 31,606